Electrically tunable dielectric materials have potential applications as various microwave
devices, such as tunable oscillators, phase shifters and varactors. High dielectric tunability …

In this Letter, we report on high-tunability and low-microwave-loss properties of Ba 0.6 Sr 0.4
TiO 3 (BST) thin films by use of atomic-layer-deposited TiO 2 films as the microwave buffer …

A tunable liquid crystal phase shifter based on opposed coplanar waveguide (OCPW) with
excellent phase shift capability per wavelength is proposed. The proposed OCPW not only …

Polarization contributions to the tunable properties of Ba 0.8 Sr 0.2 TiO 3 ceramics were
quantitatively studied by microwave measurements. The width of the ferroelectric domain …

A phased array antenna was fabricated using four‐element ferroelectric phase shifters with
a coplanar waveguide (CPW) transmission line structure based on a Ba0. 6Sr0. 4TiO3 …

The effect of Mg loading on the high-frequency tunable properties and dielectric loss of Ba
0.8 Sr 0.2 Ti 1− x Mg x O 3 (BSTM) ceramics was investigated. Variation in the lattice …

There has been unprecedented growth in wireless technologies in recent years; wireless
devices such as cellular telephones and wireless local area network (WLAN) transceivers …

A methodology for the optimized design of tunable distributed resonators is introduced and
verified. This technique enables maximum tuning with minimum degradation in quality (Q) …

Bulk and thick-film (Ba 0.7 Sr 0.3) TiO 3 (BST)–glass composites with different dielectric
properties were fabricated at 1000 C from powder mixtures of a sol–gel-derived BST and a …

[en] Ferroelectric materials (FEM's) are very attractive because their dielectric constant can
be modulated under the effect of an external electric field applied perpendicular to the …